Tolterodine
Generic Name: tolterodine
Brand Names:
Tolterodine Tartrate
11 DESCRIPTION Tolterodine tartrate extended-release capsules, USP contain tolterodine tartrate, USP. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate, USP is (R)-N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C 26 H 37 NO 7 . Its structure is: Tolterodine tartrate, USP is a white, crystalline powder with a molecular weight of 475.6.
Overview
11 DESCRIPTION Tolterodine tartrate extended-release capsules, USP contain tolterodine tartrate, USP. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate, USP is (R)-N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C 26 H 37 NO 7 . Its structure is: Tolterodine tartrate, USP is a white, crystalline powder with a molecular weight of 475.6.
Uses
1 INDICATIONS AND USAGE Tolterodine tartrate extended-release capsules are an antimuscarinic indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency. ( 1 ) Tolterodine tartrate extended-release capsules are indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency [ see CLINICAL STUDIES ( 14 ) ].
Dosage
2 DOSAGE AND ADMINISTRATION 4 mg capsules taken orally once daily with water and swallowed whole. ( 2.1 ) 2 mg capsules taken orally once daily with water and swallowed whole in the presence of: ° mild to moderate hepatic impairment (Child-Pugh class A or B) ( 2.2 ) ° severe renal impairment [Creatinine Clearance (CCr) 10 to 30 mL/min] ( 2.2 ) ° drugs that are potent CYP3A4 inhibitors. ( 2.2 ) Tolterodine tartrate extended-release capsules are not recommended for use in patients with CCr <10 mL/min. ( 2.2 ) Tolterodine tartrate extended-release capsules are not recommended for use in patients with severe hepatic impairment (Child-Pugh Class C).
Side Effects
6 ADVERSE REACTIONS Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The most common adverse reactions (incidence ≥4% and >placebo) were dry mouth, headache, constipation, and abdominal pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Torrent Pharma Inc. at 1-800-912-9561 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Interactions
7 DRUG INTERACTIONS Potent CYP3A4 Inhibitors: Coadministration may increase systemic exposure to tolterodine tartrate extended-release capsules. Reduce tolterodine tartrate extended-release capsules dose to 2 mg once daily. ( 7.2 ) Other Anticholinergics (antimuscarinics): Concomitant use with other anticholinergic agents may increase the frequency and/or severity of dry mouth, constipation, blurred vision, and other anticholinergic pharmacological effects. (7.6 ) 7.1 Potent CYP2D6 Inhibitors Fluoxetine, a potent inhibitor of CYP2D6 activity, significantly inhibited the metabolism of tolterodine immediate release in CYP2D6 extensive metabolizers, resulting in a 4.8-fold increase in tolterodine AUC.
Warnings
5 WARNINGS AND PRECAUTIONS Anaphylaxis and angioedema requiring hospitalization and emergency medical treatment have occurred with the first or subsequent doses of tolterodine tartrate extended-release capsules. ( 5.1 ) Urinary Retention: use caution in patients with clinically significant bladder outflow obstruction because of the risk of urinary retention. ( 5.2 ) Gastrointestinal Disorders: use caution in patients with gastrointestinal obstructive disorders or decreased gastrointestinal motility because of the risk of gastric retention. ( 5.3 ) Controlled Narrow-Angle Glaucoma: use caution in patients being treated for narrow-angle glaucoma. ( 5.4 ) Central Nervous System Effects: Somnolence has been reported with tolterodine tartrate extended-release capsules. 4 CONTRAINDICATIONS Tolterodine tartrate extended-release capsules are contraindicated in patients with urinary retention, gastric retention, or uncontrolled narrow-angle glaucoma.
Pregnancy
8.1 Pregnancy Risk Summary There are no available data with tolterodine tartrate extended-release capsules use in pregnant women to inform drug-associated risks. In animal reproduction studies, oral administration of tolterodine and its 5-HMT metabolite to pregnant mice during organogenesis did not produce adverse developmental outcomes at doses approximately 9 to 12 times the clinical exposure at a dose of 20 mg/kg/day; however, higher doses produced adverse developmental outcomes (see Data) . In the U.S.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Tolterodine tartrate extended-release capsules, USP are supplied as follows: 2 mg capsules are size "4", hard gelatin capsules having a green cap and green body, imprinted "1189" on the cap with white ink, containing off-white to brownish colored pellets.
Frequently Asked Questions
What is Tolterodine used for?▼
1 INDICATIONS AND USAGE Tolterodine tartrate extended-release capsules are an antimuscarinic indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency. ( 1 ) Tolterodine tartrate extended-release capsules are indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency [ see CLINICAL STUDIES ( 14 ) ].
What are the side effects of Tolterodine?▼
6 ADVERSE REACTIONS Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The most common adverse reactions (incidence ≥4% and >placebo) were dry mouth, headache, constipation, and abdominal pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Torrent Pharma Inc. at 1-800-912-9561 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Tolterodine during pregnancy?▼
8.1 Pregnancy Risk Summary There are no available data with tolterodine tartrate extended-release capsules use in pregnant women to inform drug-associated risks. In animal reproduction studies, oral administration of tolterodine and its 5-HMT metabolite to pregnant mice during organogenesis did not produce adverse developmental outcomes at doses approximately 9 to 12 times the clinical exposure at a dose of 20 mg/kg/day; however, higher doses produced adverse developmental outcomes (see Data) . In the U.S.
What are the important warnings for Tolterodine?▼
5 WARNINGS AND PRECAUTIONS Anaphylaxis and angioedema requiring hospitalization and emergency medical treatment have occurred with the first or subsequent doses of tolterodine tartrate extended-release capsules. ( 5.1 ) Urinary Retention: use caution in patients with clinically significant bladder outflow obstruction because of the risk of urinary retention. ( 5.2 ) Gastrointestinal Disorders: use caution in patients with gastrointestinal obstructive disorders or decreased gastrointestinal motility because of the risk of gastric retention. ( 5.3 ) Controlled Narrow-Angle Glaucoma: use caution in patients being treated for narrow-angle glaucoma. ( 5.4 ) Central Nervous System Effects: Somnolence has been reported with tolterodine tartrate extended-release capsules. 4 CONTRAINDICATIONS Tolterodine tartrate extended-release capsules are contraindicated in patients with urinary retention, gastric retention, or uncontrolled narrow-angle glaucoma.
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.